李保国认为这一发现将有助于中国改革农业政策。
Li believes that this discovery will help reform China 's farming policies .
李保国解释说,中国的成功源于多茬复种、有效的农业管理以及节水技术。
China 's success is down to its multi-cropping practice , effective farm management and water-saving techniques , explained Li .